受国家仪器仪表总局委托,由河北省机械工业局主持,于一九八○年七月在邯郸市召开了型砂曝热试验仪鉴定会。该仪器是由上海市机械制造工艺研究所和邯郸市自动化仪表厂共同研制成的一种新的高温型砂试验仪器,使用该仪器能直观地鉴别出不同型砂的抗夹砂能力,从而控制高压造型用的型砂性能,提高铸 Commissioned by the State Instrument and Control Bureau, presided over by the Hebei Machinery Industry Bureau, in July 1980 held in Handan City sand exposure test instrument identification. The instrument is a new high-temperature sand test equipment jointly developed by the Shanghai Institute of Machinery Manufacturing Technology and Handan Automation Instrument Factory, the use of the instrument can visually identify the anti-sand sand ability of different sand to control high-pressure molding Used sand performance, improve casting